4 letter words:
poky13,
youk11,
yuko11,
pouk10,
pioy9,
3 letter words:
kow10,
kyu10,
wok10,
yok10,
yuk10,
kip9,
kop9,
wow9,
yow9,
pow8,
puy8,
wop8,
yip8,
yup8,
koi7,
oik7,
ouk7,
you6,
oup5,
piu5,
poi5,
upo5,
2 letter words:
ky9,
ki6,
ko6,
ow5,
oy5,
wo5,
yo5,
yu5,
op4,
pi4,
po4,
up4,
io2,
oi2,
ou2,